OpenTechnical

OT-2026-000040431

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000040431) never changes.

Identity and time

Publication numberOT-2026-000040431 · never reused
Internal UUID01a0ae79-2701-7408-81bb-38403819d129 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040431
StatusPUBLIC

Content hashes

Canonical text9132d4cf3ffc9363d7ba85927993ed37c0bbd85ad4c02d8a462ea089cd4759a6
Markdown782d3e7daff06ff141d37fe5718e0283c6ea6d31826441f582542cd66a036943
PDF
Publication page3c69ab271877b12a00d512d3a0ed1b3505669a170eb392ffe3afce1462cb4677
Manifest5f37ac199c82cda7c3138e3be0aaf2ec9bd4ef2d1f97bc5926595624147122ac

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature++14FHp5Az5O2rhIxdUSvfd6tm5u/O5ouc/sHndaKYGeMGXEspRsLlN5hbjYGiPY5DgdDTfGUhAHlgZyAbzjCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:28.391445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040431
observed 3c69ab271877b12a00d512d3a0ed1b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.375671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040431/manifest.json
observed 5f37ac199c82cda7c3138e3be0aaf2ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.359249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040431/publication.md
observed 782d3e7daff06ff141d37fe5718e0283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.343166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040431/publication.txt
observed 9132d4cf3ffc9363d7ba85927993ed37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.